var DHTML = 0, DOM = 0, MS = 0, NS = 0, OP = 0;

function toggle_view(p1)
{
    if (getElem('id',p1,null))
    {
        current_element = getElem('id',p1,null);
        current_state = current_element.style.display;
        if ('none' == current_state.toLowerCase())
        {
            current_element.style.display = "block";
            img_display = '../img/minus.gif';
        }
            else
        {
            current_element.style.display = "none";
            img_display = '../img/plus.gif';
        }
        if (getElem('id','i'+p1,null))
        {
            img_element = getElem('id','i'+p1,null);
            img_element.src = img_display;
        }
    }
    return true;
}


function display_next(p1, non_ie_display_mode, second_div, third_div)
{
    if (MS > 0)
    {
        display_mode = "block";
    }
    else if (typeof non_ie_display_mode != "undefined")
    {
        display_mode = non_ie_display_mode;
    }
    else
    {
        display_mode = "block";
    }
    
    if (typeof p1 != "undefined")
    {
        current_id_name = p1.replace(/[0-9]/g, "");
        current_id_number = p1.replace(/[a-z]/gi, "");
        next_id_name = current_id_name+eval(current_id_number + " + 1");
        if (getElem('id',next_id_name,null))
        {
            getElem('id',next_id_name,null).style.display = display_mode;
        }
        if (typeof second_div != "undefined")
        {
            current_id_name = second_div.replace(/[0-9]/g, "");
            current_id_number = second_div.replace(/[a-z]/gi, "");
            next_id_name = current_id_name+eval(current_id_number + " + 1");
            if (getElem('id',next_id_name,null))
            {
                getElem('id',next_id_name,null).style.display = display_mode;
            }
            if (typeof third_div != "undefined")
            {
                current_id_name = third_div.replace(/[0-9]/g, "");
                current_id_number = third_div.replace(/[a-z]/gi, "");
                next_id_name = current_id_name+eval(current_id_number + " + 1");
                if (getElem('id',next_id_name,null))
                {
                    getElem('id',next_id_name,null).style.display = display_mode;
                }
            }
        }
        return true;
    }
}


function DHTML_init() {

 if (window.opera) {
     OP = 1;
 }
 if(document.getElementById) {
   DHTML = 1;
   DOM = 1;
 }
 if(document.all && !OP) {
   DHTML = 1;
   MS = 1;
 }
if(document.layers && !OP) {
   DHTML = 1;
   NS = 1;
 }
}

function getElem(p1,p2,p3) {

 var Elem;
 if(DOM) {
   if(p1.toLowerCase()=="id") {
     if (typeof document.getElementById(p2) == "object")
     Elem = document.getElementById(p2);
     else Elem = void(0);
     return(Elem);
   }
   else if(p1.toLowerCase()=="name") {
     if (typeof document.getElementsByName(p2) == "object")
     Elem = document.getElementsByName(p2)[p3];
     else Elem = void(0);
     return(Elem);
   }
   else if(p1.toLowerCase()=="tagname") {
     if (typeof document.getElementsByTagName(p2) == "object" ||
        (OP && typeof document.getElementsByTagName(p2) == "function"))
     Elem = document.getElementsByTagName(p2)[p3];
     else Elem = void(0);
     return(Elem);
   }
   else return void(0);
 }
 else if(MS) {
   if(p1.toLowerCase()=="id") {
     if (typeof document.all[p2] == "object")
     Elem = document.all[p2];
     else Elem = void(0);
     return(Elem);
   }
   else if(p1.toLowerCase()=="tagname") {
     if (typeof document.all.tags(p2) == "object")
     Elem = document.all.tags(p2)[p3];
     else Elem = void(0);
     return(Elem);
   }
   else if(p1.toLowerCase()=="name") {
     if (typeof document[p2] == "object")
     Elem = document[p2];
     else Elem = void(0);
     return(Elem);
   }
   else return void(0);
 }
 else if(NS) {
   if(p1.toLowerCase()=="id" || p1.toLowerCase()=="name") {
   if (typeof document[p2] == "object")
     Elem = document[p2];
     else Elem = void(0);
     return(Elem);
   }
   else if(p1.toLowerCase()=="index") {
    if (typeof document.layers[p2] == "object")
     Elem = document.layers[p2];
    else Elem = void(0);
     return(Elem);
   }
   else return void(0);
 }
}

function getCont(p1,p2,p3) {
   var Cont;
   if(DOM && getElem(p1,p2,p3) && getElem(p1,p2,p3).firstChild) {
     if(getElem(p1,p2,p3).firstChild.nodeType == 3)
       Cont = getElem(p1,p2,p3).firstChild.nodeValue;
     else
       Cont = "";
     return(Cont);
   }
   else if(MS && getElem(p1,p2,p3)) {
     Cont = getElem(p1,p2,p3).innerText;
     return(Cont);
   }
   else return void(0);
}

function getAttr(p1,p2,p3,p4) {
   var Attr;
   if((DOM || MS) && getElem(p1,p2,p3)) {
     Attr = getElem(p1,p2,p3).getAttribute(p4);
     return(Attr);
   }
   else if (NS && getElem(p1,p2)) {
       if (typeof getElem(p1,p2)[p3] == "object")
        Attr=getElem(p1,p2)[p3][p4]
       else
        Attr=getElem(p1,p2)[p4]
         return Attr;
       }
   else return void(0);
}

function setCont(p1,p2,p3,p4) {
   if(DOM && getElem(p1,p2,p3) && getElem(p1,p2,p3).firstChild)
     getElem(p1,p2,p3).firstChild.nodeValue = p4;
   else if(MS && getElem(p1,p2,p3))
     getElem(p1,p2,p3).innerText = p4;
   else if(NS && getElem(p1,p2,p3)) {
     getElem(p1,p2,p3).document.open();
     getElem(p1,p2,p3).document.write(p4);
     getElem(p1,p2,p3).document.close();
   }
}

DHTML_init();